pandas.core.resample.Resampler.std#

final Resampler.std(ddof=1, numeric_only=False)[source]#

Compute standard deviation of groups, excluding missing values.

Parameters:

ddofint, default 1: Degrees of freedom.
numeric_onlybool, default False: Include only float, int or boolean data.

Added in version 1.5.0.

Changed in version 2.0.0: numeric_only now defaults to False.

Returns:

DataFrame or Series: Standard deviation of values within each group.

Examples

>>> ser = pd.Series(
...     [1, 3, 2, 4, 3, 8],
...     index=pd.DatetimeIndex(
...         [
...             "2023-01-01",
...             "2023-01-10",
...             "2023-01-15",
...             "2023-02-01",
...             "2023-02-10",
...             "2023-02-15",
...         ]
...     ),
... )
>>> ser.resample("MS").std()
2023-01-01    1.000000
2023-02-01    2.645751
Freq: MS, dtype: float64